• The trimmer line is made of premium durable nylon, durable and cuts grass faster
• For optimal and precise trimming results
• Convenient to change, easy to install
• A great replacement spool for your lawn mower
• Suitable for Black & Decker GH400，GH500，GH600，GH610，GH900, GH912,BESTA510，BESTA512，BESTE620, LST120，LST136，LST140，LST201，LST220，LST300，LST400，LST420，ST522，LST1018，LSTE523，LSTE525,ST6600，ST7000，ST7200，ST7700，ST7701，ST8600，ST9000，NST1018，NST1024，NST1118，NST1810，NST2018，NST2118,CST1000，CST1100，CST1200，CST2000，MTC220，MTE912

Specification:

• Nylon rope: 1.65mm round in white
• Length: 30FT/9.144M
• Product size: 67.5x28mm